From 4847ce100e725c5be17e93550dcc8e37631bf40f Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Sun, 27 Oct 2024 15:17:51 +0100
Subject: [PATCH] Prevent crash if number of lines is wrong/not available ...

---
 src/frontend/numparam/spicenum.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/frontend/numparam/spicenum.c b/src/frontend/numparam/spicenum.c
index bd7690e08..7832a37b7 100644
--- a/src/frontend/numparam/spicenum.c
+++ b/src/frontend/numparam/spicenum.c
@@ -311,6 +311,11 @@ nupa_init(void)
     dicoS = TMALLOC(dico_t, 1);
     initdico(dicoS);
 
+    if (dynmaxline < 1) {
+        fprintf(stderr, "Error: not a valid input deck, check your netlist\n");
+        controlled_exit(EXIT_BAD);
+    }
+
     dicoS->dynrefptr = TMALLOC(char*, dynmaxline + 1);
     dicoS->dyncategory = TMALLOC(char, dynmaxline + 1);